Results 81 to 90 of about 108,206 (304)

Wigner–Souriau translations and Lorentz symmetry of chiral fermions

Physics Letters B, 2015
Chiral fermions can be embedded into Souriau's massless spinning particle model by “enslaving” the spin, viewed as a gauge constraint. The latter is not invariant under Lorentz boosts; spin enslavement can be restored, however, by a Wigner–Souriau (WS ...
C. Duval, M. Elbistan, P.A. Horváthy, P.-M. Zhang   +3 more
doaj   +1 more source

Boosting the Transparency of Metallic SrNbO3 Through Ti Doping

Advanced Materials Interfaces, EarlyView.
Transparent conductors are optoelectronic devices of high demand. The present study presents a path on how to boost the figure of merit of the recently proposed perovskite oxides: Ti doping reduces electronic correlations and thus the absorption above the plasma frequency, while keeping the plasma frequency below the visible range.
Shammi Kumar, Liang Si, Karsten Held, Sankar Dhar, Rakesh Kumar, Priya Johari   +5 more
wiley   +1 more source

Raman Marker Bands for In Situ Quality Control During Synthesis of 2D Conjugated Metal–Organic Frameworks

Advanced Materials Interfaces, EarlyView.
The properties of 2D conjugated metal–organic frameworks (2D c‐MOFs) are related to their structure and are influenced by the synthesis conditions. Here, in situ, Raman and transmission electron microscopy (TEM) are used to determine Raman marker bands that characterise the reaction progress and yield of phthalocyanine‐based 2D Cu2[ZnPc‐O8] MOFs. Thus,
Fanny Reichmayr, Daniel Wolf, Geping Zhang, Mingchao Wang, Max Herzog, Renhao Dong, Xinliang Feng, Axel Lubk, Inez M. Weidinger   +8 more
wiley   +1 more source

Susceptibility Invariance and Duality‐Matching Condition for Perpendicular‐Motion Metasurface

Advanced Physics Research
Time‐varying metasurfaces have recently emerged as a promising platform to observe exotic wave behaviors in space‐time systems. In this paper, it theoretically reveals invariant susceptibility parameters for perpendicular‐moving metasurface.
Bo Zhou, Xingsong Feng, Enzong Wu, Fei Gao, Hongsheng Chen, Zuojia Wang   +5 more
doaj   +1 more source

Defect‐Healed Au/rGO Coating for the Corrosion Protection of PEMFC Bipolar Plates

Advanced Materials Technologies, EarlyView.
 A defect‐healed gold/reduced graphene oxide (Au/rGO) coating is presented for stainless steel bipolar plates in polymer electrolyte membrane fuel cells. Gold nanoparticles nucleate at graphene oxide defects, blocking corrosive ion penetration and enhancing corrosion resistance, thereby ensuring durable fuel cell operation.
Jinmyeong Seo, Jungjoon Park, Soobin Park, Qing Wang, Bayaraa Sukhbaatar, Sanghwa Yoon, Bongyoung Yoo   +6 more
wiley   +1 more source

Calculation of the same Lorentz factor using the opposite approach

AIP Advances
This article extends the law of electromagnetic oscillation to form a theoretical system of spatial particles. According to this theory, the speed of light is variable and motion is absolute.
Wu Wang
doaj   +1 more source

On the Metric Lorentz Invariant Newtonian Cosmology

Universe
We review a metric theory of gravitation that combines Newtonian gravity with Lorentz invariance. Beginning with a conformastatic metric justified by the Weak Equivalence Principle.
Jaume de Haro
doaj   +1 more source

High‐Tc Superinductors Through Tailored Metamaterial Losses

Advanced Optical Materials, EarlyView.
This work presents a loss‐engineering approach for designing high‐temperature superconducting superinductors using YBCO metamaterials. By analyzing radiative and ohmic losses through coupled‐mode theory, the study reveals that partial ohmic loss supports superinductance in thinner films.
Teng Chen Ietro Pang, Muhammad Helmi Bin Azmi, Yogesh Kumar Srivastava, Ranjan Singh   +3 more
wiley   +1 more source

Unified evolution of electromagnetic sources in homogeneous fields

Physical Review Research
In this work, we study the behavior of elementary electromagnetic sources, i.e., pointlike electric charges and intrinsic magnetic dipoles, in the presence of homogeneous electromagnetic fields in a classical and covariant setting.
Ivanina Ilieva, Carsten Rockstuhl, Ivan Fernandez-Corbaton   +2 more
doaj   +1 more source

Lorentz-conformal transformations in the plane

Expositiones Mathematicae, 2017
While conformal transformations of the plane preserve Laplace's equation, Lorentz-conformal mappings preserve the wave equation. We discover how simple geometric objects, such as quadrilaterals and pairs of crossing curves, are transformed under nonlinear Lorentz-conformal mappings.
Stephen P. Shipman, Patrick D. Shipman, Barbara A. Shipman   +2 more
openaire   +3 more sources